15045050501 has 4 divisors (see below), whose sum is σ = 16202362092. Its totient is φ = 13887738912.

The previous prime is 15045050443. The next prime is 15045050509. The reversal of 15045050501 is 10505054051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4884612100 + 10160438401 = 69890^2 + 100799^2 .

It is a cyclic number.

It is not a de Polignac number, because 15045050501 - 2¹⁴ = 15045034117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15045050509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578655776 + ... + 578655801.

It is an arithmetic number, because the mean of its divisors is an integer number (4050590523).

Almost surely, 2^15045050501 is an apocalyptic number.

It is an amenable number.

15045050501 is a deficient number, since it is larger than the sum of its proper divisors (1157311591).

15045050501 is a wasteful number, since it uses less digits than its factorization.

15045050501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157311590.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 15045050501 in words is "fifteen billion, forty-five million, fifty thousand, five hundred one".